Based on data from 32 vehicles, 1,266 fuel-ups and 289,882 miles of driving, the 2005 Porsche 911 gets a combined Avg MPG of 17.80 with a 0.27 MPG margin of error.

Any Engine Type 3.6L H6 GAS (11) 3.8L H6 GAS (14) H6 GAS (4) Any Body Style Coupe (9) Any Submodel Carrera 4S (1) GT3 (3) Carrera (8) Carrera S (15) Other (5)

Below you can see a distribution of the fuel-ups with 21 outliers (1.63%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed
  Added Jul 2021 • 38 Fuel-ups

  Property of VoxPopuli

• 17.1 Avg MPG

• 997.1 C2

  2005 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed Coupe
  Added Feb 2024 • 9 Fuel-ups

  Property of Michaelfenton

• 18.0 Avg MPG

• 911 GT3

  2005 Porsche 911 GT3 3.6L H6 GAS Manual 6 Speed Coupe
  Added Jun 2024 • 3 Fuel-ups

  Property of Trinis

• 15.1 Avg MPG

• My 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Aug 2023 • 18 Fuel-ups

  Property of klsmth

• 23.2 Avg MPG

• Porsche 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed Coupe
  Added Jul 2018 • 104 Fuel-ups

  Property of JGordon

• 19.3 Avg MPG

• 2005 911 Carrera S

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed Coupe
  Added Aug 2016 • 62 Fuel-ups

  Property of Momotaro9

• 19.6 Avg MPG

• 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed Coupe
  Added Oct 2017 • 112 Fuel-ups

  Property of swisscheese

• 14.0 Avg MPG

• 2005 porsche 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Standard 6 Speed
  Added Oct 2017 • 44 Fuel-ups

  Property of pitstop911

• 13.7 Avg MPG

• 997 C2S

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed Coupe
  Added Aug 2019 • 75 Fuel-ups

  Property of BaconBoy

• 18.5 Avg MPG

• 997 Carrera S

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed
  Added Oct 2020 • 55 Fuel-ups

  Property of KyoShun

• 16.0 Avg MPG

• Porsche 911 GT3

  2005 Porsche 911 GT3 3.6L H6 GAS Standard 6 Speed
  Added Aug 2016 • 31 Fuel-ups

  Property of 105Octane

• 20.8 Avg MPG

• My 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Manual 6 Speed
  Added May 2023 • 6 Fuel-ups

  Property of CMSP914

• 15.1 Avg MPG

• My 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Automatic 5 Speed
  Added May 2017 • 28 Fuel-ups

  Property of izakvdm

• 19.3 Avg MPG

• Haley

  2005 Porsche 911 Carrera S 3.8L H6 GAS Standard 6 Speed Coupe
  Added May 2018 • 167 Fuel-ups

  Property of freakonaleash1187

• 18.9 Avg MPG

• My 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Standard 6 Speed
  Added Jun 2018 • 70 Fuel-ups

  Property of frimodt

• 17.6 Avg MPG

• Raw 911S

  2005 Porsche 911 GAS H6
  Added Apr 2013 • 8 Fuel-ups

  Property of wantdiesel

• 16.9 Avg MPG

• My 911

  2005 Porsche 911 Carrera S 3.8L H6 GAS Standard 6 Speed
  Added Jun 2017 • 8 Fuel-ups

  Property of wilson9603

• 17.4 Avg MPG

• My 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Mar 2019 • 22 Fuel-ups

  Property of mlofton

• 19.0 Avg MPG

• 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Automatic 5 Speed
  Added Sep 2015 • 45 Fuel-ups

  Property of Stillinlovewiththis

• 22.7 Avg MPG

• My 911

  2005 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Jan 2019 • 8 Fuel-ups

  Property of terrencetong168

• 18.1 Avg MPG

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